1 files changed, 57 insertions, 0 deletions
diff --git a/sci-libs/torch/torch-3.1.ebuild b/sci-libs/torch/torch-3.1.ebuild
new file mode 100644
index 000000000000..12805a6e4d8f
--- /dev/null
+++ b/sci-libs/torch/torch-3.1.ebuild
@@ -0,0 +1,57 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=4
+
+inherit eutils multilib toolchain-funcs
+
+DESCRIPTION="Machine-learning library, written in simple C++"
+HOMEPAGE="http://www.torch.ch/"
+SRC_URI="http://www.torch.ch/archives/Torch${PV%.1}src.tgz
+	doc? ( http://www.torch.ch/archives/Torch3doc.tgz )"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="debug doc examples"
+
+S=${WORKDIR}/Torch${PV%.1}
+
+TORCH_PACKAGES="convolutions datasets decoder distributions gradients kernels matrix nonparametrics speech"
+
+src_prepare() {
+	epatch "${FILESDIR}"/${PV}-prll.patch
+}
+
+src_compile() {
+	local shalldebug="OPT"
+	use debug && shalldebug="DBG"
+	# -malign-double makes no sense on a 64-bit arch
+	use amd64 || extraflags="-malign-double"
+	cp config/Makefile_options_Linux .
+	sed -i \
+		-e "s:^PACKAGES.*:PACKAGES = ${TORCH_PACKAGES}:" \
+		-e "s:^DEBUG.*:DEBUG = ${shalldebug}:" \
+		-e "s:^CFLAGS_OPT_FLOAT.*:CFLAGS_OPT_FLOAT = ${CXXFLAGS} -ffast-math ${extraflags} -fPIC:" \
+		-e "s:g++:$(tc-getCXX):g" \
+		Makefile_options_Linux || die
+
+	emake || die "emake failed"
+}
+
+src_install() {
+	dolib.a lib/*/*.a
+	insinto /usr/include/torch
+	for directory in core ${TORCH_PACKAGES}; do
+		doins ${directory}/*.h
+	done
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}
+		doins -r examples
+	fi
+
+	use doc && dodoc "${WORKDIR}"/docs/*pdf \
+		&& dohtml -r "${WORKDIR}"/docs/manual/*
+}